carbon structures

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  • Created by: danni :)
  • Created on: 28-05-13 19:29

1. graphite has

  • strong covalent bonds in the layers and weak london forces between layers
  • strong covalent bonds in the layers and strong covalent bonds between layers
  • weak london forces in the layers and weak london forces between layers
  • weak london forces in the layers and strong covalent bonds between layers
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2. graphite atoms are arranged

  • in sheets of flat hexagons
  • in sheets of flat pentagons
  • in sheets of flat octagons
  • in sheets of flat circles

3. Which of the following statements about nanotubes is not true?

  • There are strong London forces between strands of nanotubes
  • They can trap small ions or drug molecules inside
  • All the carbon–carbon bond angles are 120°
  • They have a high tensile strength

4. diamond atoms are arranged in a

  • tetrahedral shape
  • trigonal bypyramidal shape
  • trigonal planar shape
  • octahedral shape

5. fullerenes are shaped like

  • cylinders
  • hollow balls or tubes
  • cubes
  • diamonds
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